Explore the fascinating 500-year journey of the pigpen cipher, from medieval mysticism to Freemason rituals and Civil War secrets.
Caesar Cipher Blog
Discover how ancient Hebrew scribes invented the Atbash cipher in 500 BCE to encrypt 'Babylon' as 'Sheshach' in the Book of Jeremiah, creating humanity's oldest documented encryption system that survives today as a foundational example in cryptography education.
The caesar cipher history begins over 2,000 years ago with one of the oldest and most famous encryption methods ever documented. Named after the Roman military leader Julius Caesar, this simple yet ingenious technique has survived for over two millennia.
Discover the fascinating history of keyword ciphers from 15th-century Renaissance Europe to modern educational applications. Complete guide covering encryption, decryption, cryptanalysis, and real-world examples.